

    package lab03.test08;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

    /**
     * Created by V555 on 2017/12/7.
     */
    public class Test {
        public static void main(String[] args) {
            String file1="D:\\file1.txt";
            String file2="D:\\file2.txt";
            String file3="D:\\file3.txt";
            //字节流读文件
            FileInputStream file1InputStream=null;
            FileInputStream file2InputStream=null;
            //字节流写文件
            FileOutputStream file3OutputStream=null;
            try {
                file1InputStream=new FileInputStream(file1);
                file2InputStream=new FileInputStream(file2);
                file3OutputStream=new FileOutputStream(file3);
                int data1=0;
                int data2=0;
                while (((data1=file1InputStream.read())!=-1)||((data2=file2InputStream.read())!=-1)){

                    file3OutputStream.write(data1);
                    file3OutputStream.write(data2);

                }
            } catch (FileNotFoundException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }finally {
                try {
                    file1InputStream.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
                try {
                    file2InputStream.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
                try {
                    file3OutputStream.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }



        }
    }


